JOSEPH LORENZ MD
NPI 1801391347
Anesthesiology in Milwaukee, WI
About Joseph Lorenz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH LORENZ MD (NPI 1801391347) is an individual anesthesiology provider in Milwaukee, Wisconsin, licensed in Wisconsin (72081) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Ascension Columbia St Mary's Hospital Milwaukee, and maintains a secondary practice location in Milwaukee.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Joseph Lorenz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Joseph Lorenz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Milwaukee, WI 53211
- Reassigned Medicare billing, Wisconsin enrollment
- 210 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension Columbia St Mary's Hospital Milwaukee
Acute Care Hospitals · Milwaukee, WIAscension SE Wisconsin Hospital
Acute Care Hospitals · Milwaukee, WIMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MILWAUKEE, WI 53211
MILWAUKEE, WI 53211
MILWAUKEE, WI 53211
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Joseph Lorenz's NPI number?
The NPI number for Joseph Lorenz is 1801391347. It was assigned to this individual provider in the NPPES registry on March 27, 2018.
Where is Joseph Lorenz located?
Joseph Lorenz practices at 2301 N Lake Dr, Milwaukee, WI 53211. The listed phone number is (414) 291-1994.
What is Joseph Lorenz's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Joseph Lorenz enrolled in Medicare?
Yes. Joseph Lorenz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Joseph Lorenz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Lorenz reassigns Medicare benefits to Vituity-Wisconsin Anesthesia Sc (Milwaukee, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joseph Lorenz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Joseph Lorenz affiliated with any hospitals?
According to CMS data, Joseph Lorenz is affiliated with Ascension Columbia St Mary's Hospital Milwaukee and Ascension SE Wisconsin Hospital.
When was this NPI record last updated?
The NPPES record for Joseph Lorenz was last updated on August 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Joseph Lorenz, MD · NPI 1801391347
Anesthesiology physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since March 27, 2018.
## Identity
- **NPI:** 1801391347 (Entity type: Individual)
- **Enumerated:** March 27, 2018
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 72081 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 2301 N LAKE DR, Milwaukee, WI 53211-4508
- **Phone:** (414) 291-1994
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Vituity-Wisconsin Anesthesia Sc (NPI 1598599748, Milwaukee, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** August 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1801391347) · Data from the CMS NPPES public registry.